-
1by Kunze, L., International Society for Horticultural Science, The Hague (Netherlands). Plant Protection Commission eng, Int. Symp. on Fruit Tree Virus Diseases eng 2 Sep 1976 10 Heidelberg (Germany, F.R.), Biologische Bundesanstalt fuer Land- und Forstwirtschaft, Dossenheim (Germany, F.R.). Inst fuer Obstkrankheiten oth
Published 1976Texto bibliotecaFAO IT